Please kindly noted that this item is sold by Jundayo from Joybuy marketplace. Origin: Mainland China _x005f_x000D_ Condition: New _x005f_x000D_ Working voltage: 3-34V, working current 5mA. _x005f_x000D_ Working temperature: -2050℃ _x005f_x000D_ Voltage error: 2% _x005f_x000D_ Product size: 44.00x20.00x8.00mm _x005f_x000D_ Product size: 1.73x0.79x0.31inch _x005f_x000D_ Display battery quantity parameters: (Note: N represents the battery quantity) _x005f_x000D_ 1. When the battery voltage exceeds N*3.3V, 1 battery will be illuminated _x005f_x000D_ 2. When the battery voltage exceeds N*3.5V, 2 blocks of electricity will be illuminated _x005f_x000D_ 3. When the battery voltage exceeds N*3.7V, 3 blocks of electricity will be illuminated _x005f_x000D_ 4. When the battery voltage exceeds N*3.9V, 4 blocks of electricity will be illuminated _x005f_x000D_ 5. When the battery voltage is less than N*3.3V, the four displays will turn off _x005f_x000D_ Warm sound reminder: This model is not waterproof. Please make sure it is waterproof if used outdoors, because electronic components need to be used in a dry environment. _x005f_x000D_ This power display panel can be used for both lithium lead-acid and nickel-metal hydride batteries, as long as the required voltage is within the range of the parameter table. _x005f_x000D_ Instructions for use: Connect the positive and negative terminals of the display board to the positive and negative terminals of the battery under test, and the digital tube will display the real-time battery power. _x005f_x000D_ _x005f_x000D_ Notice: _x005f_x000D_ 1. Battery-type power display, select the corresponding pad to tin, and you can detect the battery pack voltage corresponding to 1S-8S, which is very convenient. _x005f_x000D_ 2.S1-S8 optional pads can only be connected to one type, and 2 or more short circuits are not allowed at the same time. _x005f_x000D_ _x005f_x000D_ Included: 1 x Lithium Battery Capacity Indicator Module Low Power Consumption Design: Designed with low power consumption, battery capacity module can operate using battery power without significantly draining battery energy. Compact in size, simple in wiring, and easy to install, it does not require complex debugging or settings, allowing for quick and hassle-free use. Clear and Intuitive Display: The lithium battery level indicator equipped with a high-brightness LED screen, displaying battery percentages and other relevant information. The display is clear, intuitive, and easy to read. Wide Compatibility: The electric vehicle battery power tester module is compatible with 1 to 8 lithium battery packs, suitable for various power configurations and battery combinations, catering to the needs of different projects and devices. High-Precision Measurement: Utilizes a high-precision voltage measurement chip to accurately measure the voltage of each battery and calculate the corresponding battery percentage based on the measurement results. Multi-function Display: Lithium battery capacity indicator module can real-time display of battery levels for 1 to 8 lithium battery packs, providing intuitive battery information at a glance.